M3 Ultra (28C60G) vs IBM PowerPC 7447 1250MHz
            M3 Ultra (28C60G)
            
                
            
        
    
            IBM PowerPC 7447 1250MHz
            
                
            
        
    | 28 Cores 28 Threads 4.05GHz Clock | 1 Core 1 Thread 1.25GHz Clock | 
| Socket Unknown | Socket CBGA 360 | 
| iGPU60-Core M3 Ultra 21.47 TFLOPS FP32 | iGPU No GPU - - | 
| GB6S 3,220 79% | GB6S N/A 0% | 
| GB6M 27,750 104% | GB6M N/A 0% | 
| CB23S N/A 0% | CB23S N/A 0% | 
| CB23M N/A 0% | CB23M N/A 0% | 
| ManufacturerApple | ManufacturerIBM | 
| ArchitectureApple Silicon 13 | ArchitectureG4 | 
| FamilyM Series | FamilyG4 | 
| Instruction Set (ISA) AArch64 | Instruction Set (ISA) PowerPC | 
| Codename Palma-2C - M3 Ultra P-Core Everest - - E-Core Sawtooth | Codename Apollo 7 - - - - - - - - | 
| Market Segment Desktop | Market Segment Desktop | 
| Release Date 3/5/2025 | Release Date 1/1/2003 | 
| Foundry TSMC - - - | Foundry Motorola - - - | 
| Node N3B - - - | Node 180nm - - - | 
| Die Size 2x 503 mm² - - - | Die Size 84 mm² - - - | 
| Transistor Count 2x 92 Billion - - - | Transistor Count 49 Million - - - | 
| Unknown | CBGA 360 | 
| 28 Cores 20 P-Cores - 8 E-Cores | 1 Core - - - | 
| 28 Threads 20 P-Threads - 8 E-Threads | 1 Thread - - - | 
| P-Core 4.05GHz - - | - 1.25GHz - - | 
| - - - | - - - | 
| E-Core 2.75GHz - | - - - | 
| Overclocking Locked - - - | Overclocking Locked - - - | 
| Integrated Chipset - | Type FSB | 
| - - | Clock 167MHz | 
| - - | Data Rate Single | 
| - - | Transfer Rate 167MT/s | 
| - - | Width 64Bit | 
| - - | - - | 
| - - | Bandwidth 1.34GB/s | 
| - - | - - | 
| L0 Instruction - - | L0 Instruction - - | 
| L0 Data - - | L0 Data - - | 
| L1 Instruction 192KB/P-Core 6-way set associative - - 128KB/E-Core 4-way set associative | L1 Instruction 32KB/Core 4-way set associative - - - - | 
| L1 Data 128KB/P-Core 4-way set associative - - 64KB/E-Core 2-way set associative | L1 Data 32KB/Core 4-way set associative - - - - | 
| L2 - - 64MB Shared 16-way set associative - - - - - - 4MB Shared (E-Core) 16-way set associative | L2 512KB/Core 8-way set associative - - - - - - - - - - | 
| - - - - - - - - - - | - - - - - - - - - - | 
| - - - 96MB SLC Cache | - - - - | 
| Channels 8 | No Memory Controller | 
| Max Memory 128GB | |
| ECC Not Supported | |
| Bus Width/Channel 128Bit Bus Width 1024Bit | |
| Clock 3200MHz Transfer Rate 6400MT/s | |
| Bandwidth/Channel 102.4GB/s Bandwidth 819.2GB/s | 
| TDP 180W - - - | TDP 21W - - - | 
| Temp 100°C Max - | - - - | 
| Included Cooler Not Included | Included Cooler Not Included | 
| No PCIe | No PCIe | 
| 60-Core M3 Ultra 7680 Shaders 1398MHz 21.47 TFLOPS FP32 | No GPU - - - - | 
| - | No NPU - | 
| - 32 Cores | - - | 
| 36 TOPS FP16 | -  | 
| - - | - - | 
| No Cellular | No Cellular | 
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